/Engine/Source/Runtime/Core/Public/Misc/CString.h
Set of basic string utility functions operating on plain C strings. In addition to the wrapped C string API,this struct also contains a set of widely used utility functions that operate on c strings. There is a specialized implementation for ANSICHAR and WIDECHAR strings provided. To access these functionality, the convenience typedefs FCString and FCStringAnsi are provided.
template<typename T> struct TCString